Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0LFS callsign genealogy
Currently held by Watters, Keith J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W0LFS's current licensee, walking backwards.
- Sedgwick, Richard DMNgranted 2014-02-13cancelled 2014-04-01
Successor callsigns
Callsigns held now by people who previously held W0LFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0LFS, oldest first.
- Watters, Keith J MO1999-11-30 → cancelled 2011-12-01
- Sedgwick, Richard D MN2024-02-21 active